Tongue cleaner



FIG. 1 is a perspective view of a tongue cleaner showing my new design;

FIG. 2 is a top plan thereof;

FIG. 3 is a left side elevation thereof;

FIG. 4 is a bottom plan thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a front elevation thereof; and,

FIG. 7 is a rear elevation thereof. 

The ornamental design for tongue cleaner, as shown and described. 